United Flight 1544 Deals & Information (2026/2027)

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United Flight 1544 Route Deals From $215

The cheapest prices found with in the last 7 days for return flights were $309 and $215 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 1 - Tue, Aug 4
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$309 Roundtrip, found 1 hour ago
$309
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 1 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Aug 4, priced at $309 found 1 hour ago
Wed, Jun 10 - Tue, Jun 16
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$316 Roundtrip, found 1 day ago
$316
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 10 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Jun 16, priced at $316 found 1 day ago
Sat, Aug 1 - Tue, Aug 4
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$319 Roundtrip, found 1 hour ago
$319
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 1 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Aug 4, priced at $319 found 1 hour ago
Wed, Jun 10 - Tue, Jun 16
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$326 Roundtrip, found 1 day ago
$326
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 10 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Jun 16, priced at $326 found 1 day ago
Sat, Jul 25 - Thu, Jul 30
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$339 Roundtrip, found 1 day ago
$339
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jul 25 from Greenville-Spartanburg Intl. to Denver Intl., returning Thu, Jul 30, priced at $339 found 1 day ago
Fri, Aug 14 - Wed, Aug 19
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$344 Roundtrip, found 1 day ago
$344
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 14 from Greenville-Spartanburg Intl. to Denver Intl., returning Wed, Aug 19, priced at $344 found 1 day ago
Sat, Aug 29 - Wed, Sep 2
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$347 Roundtrip, found 1 day ago
$347
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 29 from Greenville-Spartanburg Intl. to Denver Intl., returning Wed, Sep 2, priced at $347 found 1 day ago
Sat, Aug 1 - Tue, Aug 4
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$349 Roundtrip, found 1 hour ago
$349
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 1 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Aug 4, priced at $349 found 1 hour ago
Wed, Aug 12 - Mon, Aug 17
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$350 Roundtrip, found 1 day ago
$350
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 12 from Greenville-Spartanburg Intl. to Denver Intl., returning Mon, Aug 17, priced at $350 found 1 day ago
Wed, Jun 10 - Tue, Jun 16
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$352 Roundtrip, found 1 day ago
$352
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 10 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Jun 16, priced at $352 found 1 day ago
Thu, Aug 13 - Tue, Aug 18
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$352 Roundtrip, found 1 day ago
$352
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 13 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Aug 18, priced at $352 found 1 day ago
Sat, Jul 25 - Thu, Jul 30
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$353 Roundtrip, found 1 day ago
$353
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jul 25 from Greenville-Spartanburg Intl. to Denver Intl., returning Thu, Jul 30, priced at $353 found 1 day ago
Sat, Aug 29 - Wed, Sep 2
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$357 Roundtrip, found 1 day ago
$357
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 29 from Greenville-Spartanburg Intl. to Denver Intl., returning Wed, Sep 2, priced at $357 found 1 day ago
Fri, May 22 - Fri, May 29
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$357 Roundtrip, found 1 day ago
$357
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 22 from Greenville-Spartanburg Intl. to Denver Intl., returning Fri, May 29, priced at $357 found 1 day ago
Wed, Aug 12 - Mon, Aug 17
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$360 Roundtrip, found 1 day ago
$360
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 12 from Greenville-Spartanburg Intl. to Denver Intl., returning Mon, Aug 17, priced at $360 found 1 day ago
Wed, Jun 10 - Tue, Jun 16
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$362 Roundtrip, found 1 day ago
$362
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jun 10 from Greenville-Spartanburg Intl. to Denver Intl., returning Tue, Jun 16, priced at $362 found 1 day ago
Tue, Aug 11 - Sat, Aug 22
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$363 Roundtrip, found 3 days ago
$363
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 11 from Greenville-Spartanburg Intl. to Denver Intl., returning Sat, Aug 22, priced at $363 found 3 days ago
Wed, Sep 2 - Fri, Sep 11
GSP
Greenville-Spartanburg Intl.
DEN
Denver Intl.
$364 Roundtrip, found 1 day ago
$364
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 2 from Greenville-Spartanburg Intl. to Denver Intl., returning Fri, Sep 11, priced at $364 found 1 day ago